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    Strange oil blow by

    OK, this is wierd. I seem to have oil "blow by" on the gaskets of outside plugs (#1 & #4) on my GS1100GK. I removed both plugs and retorqued them (14 lbft) but it is still there. I'm pretty sure I need to replace valve stem seals as I am getting some oil fowling on #4 (haven't checked #2 & #3). I am commuting 40 miles each way now on the highway averaging 65+ mph. There is a slight miss under acceleration after the bike has sat for a while after a commute. #4 appeared to be oil fowled while #1 looked grayish brown. I'm pretty sure it could use valve stem seal as it is 23 years old and did spend several years sitting up before I got it. Planning valve shim replacement shortly.

    #2
    Are you sure it is not coming from the 'D' rings and trickling down?

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      #3
      D rings

      I've got to quit looking at that thing in the dark & without my glasses. Removed the chrome covers. Very fine film coming from the 2 towards the rear. Well, now don't I feel silly?

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        #4
        Not quite as silly as someone who went through two valve cover gaskets and torquing down the head trying to seal a "base gasket" leak.
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        It was the cam chain tensioner gasket....

        I know better!!! :x
        Currently bikeless
        '81 GS 1100EX - "Peace, by superior fire power."
        '06 FZ1000 - "What we are dealing with here, is a COMPLETE lack of respect for the law."

        I ride, therefore I am.... constantly buying new tires.

        "Tell me what kind of an accident you are going to have, and I will tell you which helmet to wear." - Harry Hurt

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